17730-299
19
Preventive Maintenance
ULTIMAAX
®
for Fire and Rescue Vehicles
BEAM END AXLE BRACKETS
NOTE
The axle brackets are furnished and welded into position by the vehicle manufacturer or axle
manufacturer .
VISUAL INSPECTION
When inspecting the equalizing beam end connection also inspect the axle brackets for damage
or cracks, see Figures 6-12, 6-13 and 6-14 . Any axle bracket that is found damaged or cracked
must be repaired or replaced .
Consult the axle and/or vehicle manufacturer for additional inspections, component repair and
replacement instructions .
PHYSICAL INSPECTION
■
Bar Pin Style
a . Inspect the axle brackets for damage or cracks in the locations shown in Figures 6-12 and
6-13 . Any axle bracket that is found damaged or cracked must be repaired or replaced .
b . Measure the distance between the axle bracket legs for correct width, refer to Figures
6-12 and 6-13 for measurement location and dimensions . An axle bracket outside of the
measurement range must be repaired or replaced .
c . Consult the vehicle manufacturer for inspection, component repair and replacement
instructions
FIGURE 6-12
FIGURE 6-13
■
Adapter Style
FIGURE 6-14
a . Inspect the 2½" (64 mm)
diameter holes in each of the
axle bracket legs, Figure 6-14 .
b . Remove any burrs or material
left there by the old adapters .
c . Use a new adapter style bush-
ing as a gauge for fit, being
sure it enters the holes from
the outside of each bracket leg .
d . M e a s u r e t h e d i s t a n c e
between the axle bracket legs for correct width, refer to Figure 6-14 for measurement
location and dimensions . The dimension between the inside surfaces of the axle bracket
legs is 6 .015" ± 0 .005" (152 .7 mm ± 0 .1 mm), see Figure 6-14 .
Typical location
of crack areas
8.5" ± 0.1"
(216 mm ± 2.6 mm)
Look for cracks
in these locations
2.29" ± 0.025"
(58.11 mm ± 0.63 mm)
NOTE:
Typical axle
brackets shown
Axle
2½" (64 mm)
*Standard
Axle Bracket
(Rubber Bushing)
ADAPTER STYLE AXLE
*Typical axle bracket shown
Axle Bracket Leg
6.01/6.02"
(152.6/152.8 mm)